Home / 40,364.40-60,554.70-12,286.20

Finding the Fourth Proportional to 40,364.40, 60,554.70 and 12,286.20

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Solution

The fourth proportional to 40,364.40, 60,554.70 and 12,286.20 is: 18,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.40 : 60,554.70 = 12,286.20 : x
  2. Step 2: Convert to fraction form
    40,364.40/60,554.70 = 12,286.20/x
  3. Step 3: Cross multiply
    40,364.40x = 60,554.70 × 12,286.20
  4. Step 4: Simplify right side
    40,364.40x = 743,987,155.14
  5. Step 5: Solve for x
    x = 743,987,155.14/40,364.40
  6. Step 6: Final answer
    x = 18,431.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.